6x - y = 31 so y = 6x - 31
substitute y = 6x - 31 into 3x + 7y = 8
3x + 7y = 8
3x + 7(6x - 31) = 8
3x + 42x -217 = 8
45x = 225
x = 5
y = 6x - 31
y = 6(5) - 31
y = 30 - 31
y = -1
answer
x = 5 and y = -1
Answer:
Answer: The 4 consecutive odd integers are 15, 17, 19, 21.
Amount = A = $50(1 + 0.03/12)^(12*m), where m is the # of months. Note that A= $50 at the beginning (when m=0). Note that I am assuming that "3%" is ANNUAL interest.
If, on the other hand, "3%" is monthly (very unlikely!!), then:
Amount = A = $50(1 + 0.03)^(m)
Answer:
8
Step-by-step explanation:
The other sides are the same and 30/15 is 2, so 120/15 is 8, so they are all equivalent, so 2*15=30 and its the same for b, 8*15=120